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https://issues.apache.org/jira/browse/HDDS-2259?focusedWorklogId=324025&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-324025
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ASF GitHub Bot logged work on HDDS-2259:
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Author: ASF GitHub Bot
Created on: 06/Oct/19 08:21
Start Date: 06/Oct/19 08:21
Worklog Time Spent: 10m
Work Description: adoroszlai commented on issue #1605: HDDS-2259.
Container Data Scrubber computes wrong checksum
URL: https://github.com/apache/hadoop/pull/1605#issuecomment-538722906
/label ozone
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Issue Time Tracking
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Worklog Id: (was: 324025)
Time Spent: 20m (was: 10m)
> Container Data Scrubber computes wrong checksum
> -----------------------------------------------
>
> Key: HDDS-2259
> URL: https://issues.apache.org/jira/browse/HDDS-2259
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: Ozone Datanode
> Affects Versions: 0.5.0
> Reporter: Attila Doroszlai
> Assignee: Attila Doroszlai
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Chunk checksum verification fails for (almost) any file. This is caused by
> computing checksum for the entire buffer, regardless of the actual size of
> the chunk.
> {code:title=https://github.com/apache/hadoop/blob/55c5436f39120da0d7dabf43d7e5e6404307123b/hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainerCheck.java#L259-L273}
> byte[] buffer = new byte[cData.getBytesPerChecksum()];
> ...
> v = fs.read(buffer);
> ...
> bytesRead += v;
> ...
> ByteString actual = cal.computeChecksum(buffer)
> .getChecksums().get(0);
> {code}
> This results in marking all closed containers as unhealthy.
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